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UV Absorber Q21

    Specifications

    HS Code

    866608

    Product Name UV Absorber Q21
    Chemical Name 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
    Cas Number 2440-22-4
    Appearance Light yellow powder
    Molecular Formula C13H11N3O
    Molecular Weight 225.25
    Melting Point 125-129°C
    Solubility Insoluble in water, soluble in organic solvents
    Uv Absorption Max λmax ≈ 335 nm
    Purity ≥99.0%
    Application UV protection for plastics, coatings, and polymers
    Storage Conditions Store in a cool, dry place

    As an accredited UV Absorber Q21 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing UV Absorber Q21 is packed in 25 kg fiber drums with inner polyethylene bags, ensuring moisture protection and safe transportation.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for UV Absorber Q21: Packed 9 MT per 20’FCL, 25kg net per fiber drum, on pallets.
    Shipping UV Absorber Q21 is shipped in tightly sealed, original containers to ensure product integrity. It should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and moisture. During transport, care is taken to prevent container damage and exposure to incompatible substances or extreme temperatures.
    Storage UV Absorber Q21 should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Avoid exposure to moisture and incompatible materials such as strong acids or oxidizing agents. Proper labeling and secure storage are essential to ensure chemical stability and to prevent contamination or accidental misuse.
    Shelf Life The shelf life of UV Absorber Q21 is typically 2 years when stored in a cool, dry, and well-sealed container.
    Free Quote

    Competitive UV Absorber Q21 prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@boxa-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@boxa-chem.com

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    Certification & Compliance